<!--
 * @Description: 商品详情页面组件
 * @Author: hai-27
 * @Date: 2020-02-16 20:20:26
 * @LastEditors: hai-27
 * @LastEditTime: 2020-03-07 21:59:26
 -->
<template>
  <div id="details">
    <!-- 头部 -->
    <div class="page-header">
      <div class="title">
        <p>{{ productDetails.goodsName }}</p>
        <div class="list">
          <ul>
            <li>
              <router-link to>概述</router-link>
            </li>
            <li>
              <router-link to>参数</router-link>
            </li>
            <li>
              <router-link to>用户评价</router-link>
            </li>
          </ul>
        </div>
      </div>
    </div>
    <!-- 头部END -->

    <!-- 主要内容 -->
    <div class="main">
      <!-- 左侧商品轮播图 -->
      <div class="block">
        <div>
          <img
            style="height: 560px"
            :src="productDetails.goodsImg"
          />
        </div>
      </div>
      <!-- 左侧商品轮播图END -->

      <!-- 右侧内容区 -->
      <div class="content">
        <h1 class="name">{{ productDetails.goodsName }}</h1>
        <!-- <p class="intro">{{ productDetails.goodsName }}</p> -->
        <!-- <p class="store">小米自营</p> -->
        <div class="price">
          <span>{{ productDetails.goodsPrice }}元</span>
          <span
            v-show="
              productDetails.goodsPrice !=
              productDetails.goodsPrice
            "
            class="del"
            >{{ productDetails.goodsPrice }}元</span
          >
        </div>
        <div class="pro-list">
          <span class="pro-name">{{ productDetails.goodsName }}</span>
          <span class="pro-price">
            <span>{{ productDetails.goodsPrice }}元</span>
            <span
              v-show="
                productDetails.goodsPrice !=
                productDetails.goodsPrice
              "
              class="pro-del"
              >{{ productDetails.goodsPrice?productDetails.goodsPrice:'00.00' }}元</span
            >
          </span>
          <p class="price-sum">
            <el-input-number v-model="goodsCount" placeholder="" :min="1" :step="1" step-strictly></el-input-number>
          </p>
          <p>
            优惠券：
            <el-select v-model="couponUserId" placeholder="" @change="chooseCoupon" clearable>
              <el-option :label="item.couponName" :value="item.couponUserId" v-for="item in couponList" :key="item.couponUserId"></el-option>
            </el-select>
          </p>
          <p class="price-sum">
            总计 : {{ productDetails.goodsPrice?totalPay :'00.00'}}元
          </p>
        </div>
        <!-- 内容区底部按钮 -->
        <div class="button">
          <el-button class="shop-cart" :disabled="dis" @click="addorder"
            >提交订单</el-button
          >
          <!-- <el-button class="like" @click="addCollect">喜欢</el-button> -->
        </div>
        <!-- 内容区底部按钮END -->
        <div class="pro-policy">
          <ul>
            <li><i class="el-icon-circle-check"></i>高省自营</li>
            <li><i class="el-icon-circle-check"></i> 高省发货</li>
            <li><i class="el-icon-circle-check"></i> 7天无理由退货</li>
            <li><i class="el-icon-circle-check"></i> 7天价格保护</li>
          </ul>
        </div>
      </div>
      <!-- 右侧内容区END -->
    </div>
    <!-- 主要内容END -->
  </div>
</template>
<script>
import request from "@/utils/request";
import {getToken} from "@/utils/auth"
export default {
  data() {
    return {
      dis: false, // 控制“加入购物车按钮是否可用”
      goodsId: "", // 商品id
      productDetails: "", // 商品详细信息

      productPicture: "", // 商品图片
      order_num: "", //订单号
      dona_money: "", //支付价格
      userId: 1, //用户id
      goodsCount:1,//购买数量
      couponList:[],
      couponUserId:'',
      totalPay:'',
    };
  },
  // 通过路由获取商品id
  created() {
    if (this.$route.query.goodsId != undefined) {
      this.goodsId = this.$route.query.goodsId;
    }
      this.getDetailsMsg();
    // 获取浏览器localStorage，判断用户是否已经登录
    if (localStorage.getItem("user")&& getToken()) {
      // 如果已经登录，设置vuex登录状态
      this.getCouponList();
    }
  },
  watch: {
    // 监听商品id的变化，请求后端获取商品数据
    goodsId: function () {
      this.getDetailsMsg();
    },
    goodsCount:function(){
      this.chooseCoupon()
    }
  },
  methods: {
    //获取用户的优惠券列表
    getCouponList(){
      request({
        url: "/api/gaosheng/selectCouponByCouponStatus",
        params: {
          userId: this.userId,
          couponStatus: 0,
        },
        method: "get",
      }).then((res) => {
        this.couponList = res.data;
      });
    },
    chooseCoupon(){
      if(this.couponUserId){
        let obj= this.couponList.filter(i=>{
          return i.couponUserId==this.couponUserId
        })
        let num = obj[0].couponValue
        this.totalPay = Number(this.productDetails.goodsPrice) * Number(this.goodsCount) -num
      }else{
        this.totalPay = Number(this.productDetails.goodsPrice) * Number(this.goodsCount)
      }
    },
    //获取商品的详细信息
    getDetailsMsg() {
      request({
        url: "api/gaosheng/selectByGoodsId",
        params: {
          goodsId: this.goodsId,
        },
        method: "get",
      }).then((res) => {
        this.productDetails = res.data[0];
        this.totalPay = Number(this.productDetails.goodsPrice) * Number(this.goodsCount)
      });
    },


    // 加入订单
    orderNum() {
      request({
        url: "api/order/order/web/orderNum",
        method: "post",
        data: {},
      }).then((res) => {
        this.order_num = res.data;
        this.makeorder();
      });
    },
//生成订单
    makeorder() {
      request({
        url: "api/order/order/web/makeOrder",
        method: "post",
        data: {
          orderNum: this.order_num,
          userId: this.userId,
          goodsId:this.productDetails.goodsId,
          goodsName: this.productDetails.goodsName,
          goodsCount:this.goodsCount,
          orderTotal: Number(this.productDetails.goodsPrice)* Number(this.goodsCount),
          orderTotalPay: this.totalPay,
          orderPlat: this.productDetails.goodsPlat,
          orderScore: Number(this.productDetails.goodsPrice) * Number(this.goodsCount),
          orderCoupon: this.couponUserId?1:0,
          orderCouponId: this.couponUserId,
        },
      }).then((res) => {
        this.notifySucceed(res.msg);
        // this.payAll()
        this.$router.push({
          name: "OrderInfo",
          params: {
            dona_money: this.totalPay,
            orderNo: this.order_num,
            user_id: this.userId,
            productID: this.goodsId,
          },
        });
      });
    },

    addorder() {
      // 判断是否登录,没有登录则显示登录组件
      if (!this.$store.getters.getUser) {
        this.$store.dispatch("setShowLogin", true);
        return;
      }
      this.userId=this.$store.getters.getUser.userId
      if(this.userId==0){
        alert("获取用户信息失败")
        this.$store.dispatch("setShowLogin", true);
        return;
      }
      this.orderNum();
    },
    addCollect() {
      // 判断是否登录,没有登录则显示登录组件
      if (!this.$store.getters.getUser) {
        this.$store.dispatch("setShowLogin", true);
        return;
      }
      this.$axios
        .post("/api/user/collect/addCollect", {
          user_id: this.$store.getters.getUser.user_id,
          product_id: this.productID,
        })
        .then((res) => {
          if (res.data.code == "001") {
            // 添加收藏成功
            this.notifySucceed(res.data.msg);
          } else {
            // 添加收藏失败
            this.notifyError(res.data.msg);
          }
        })
        .catch((err) => {
          return Promise.reject(err);
        });
    },
  },
};
</script>
<style>
/* 头部CSS */
#details .page-header {
  height: 64px;
  margin-top: -20px;
  z-index: 4;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  -webkit-box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.07);
  box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.07);
}

#details .page-header .title {
  width: 1225px;
  height: 64px;
  line-height: 64px;
  font-size: 18px;
  font-weight: 400;
  color: #212121;
  margin: 0 auto;
}

#details .page-header .title p {
  float: left;
}

#details .page-header .title .list {
  height: 64px;
  float: right;
}

#details .page-header .title .list li {
  float: left;
  margin-left: 20px;
}

#details .page-header .title .list li a {
  font-size: 14px;
  color: #616161;
}

#details .page-header .title .list li a:hover {
  font-size: 14px;
  color: #ff6700;
}

/* 头部CSS END */

/* 主要内容CSS */
#details .main {
  width: 1225px;
  height: 560px;
  padding-top: 30px;
  margin: 0 auto;
}

#details .main .block {
  float: left;
  width: 560px;
  height: 560px;
}

#details .el-carousel .el-carousel__indicator .el-carousel__button {
  background-color: rgba(163, 163, 163, 0.8);
}

#details .main .content {
  float: left;
  margin-left: 25px;
  width: 640px;
}

#details .main .content .name {
  height: 30px;
  line-height: 30px;
  font-size: 24px;
  font-weight: normal;
  color: #212121;
}

#details .main .content .intro {
  color: #b0b0b0;
  padding-top: 10px;
}

#details .main .content .store {
  color: #ff6700;
  padding-top: 10px;
}

#details .main .content .price {
  display: block;
  font-size: 18px;
  color: #ff6700;
  border-bottom: 1px solid #e0e0e0;
  padding: 25px 0 25px;
}

#details .main .content .price .del {
  font-size: 14px;
  margin-left: 10px;
  color: #b0b0b0;
  text-decoration: line-through;
}

#details .main .content .pro-list {
  background: #f9f9fa;
  padding: 30px 60px;
  margin: 50px 0 50px;
}

#details .main .content .pro-list span {
  line-height: 30px;
  color: #616161;
}

#details .main .content .pro-list .pro-price {
  float: right;
}

#details .main .content .pro-list .pro-price .pro-del {
  margin-left: 10px;
  text-decoration: line-through;
}

#details .main .content .pro-list .price-sum {
  color: #ff6700;
  font-size: 24px;
  padding-top: 20px;
}

#details .main .content .button {
  height: 55px;
  margin: 10px 0 20px 0;
}

#details .main .content .button .el-button {
  float: left;
  height: 55px;
  font-size: 16px;
  color: #fff;
  border: none;
  text-align: center;
}

#details .main .content .button .shop-cart {
  width: 340px;
  background-color: #ff6700;
}

#details .main .content .button .shop-cart:hover {
  background-color: #f25807;
}

#details .main .content .button .like {
  width: 260px;
  margin-left: 40px;
  background-color: #b0b0b0;
}

#details .main .content .button .like:hover {
  background-color: #757575;
}

#details .main .content .pro-policy li {
  float: left;
  margin-right: 20px;
  color: #b0b0b0;
}

/* 主要内容CSS END */
</style>